Weegy: Kepler's First Law: All planets move about the sun in an elliptical orbit with the sun at one foci. In an elliptical orbit the distance between the planet and the sun is continuously varying (More)

Weegy: The tendency of an object to continue its present state is called " Inertia " . This term is described in Newtons first law.
Inertia is measure of mass of a body. [ Bigger bodies have more inertia when compared with smaller bodies.
we experience inertia every day ] (More)